Bug ID 640031: RedHat: bash bug fix update - RHBA-2017-0038

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP All(all modules)

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0

Opened: Jan 18, 2017

Severity: 4-Minor

Symptoms

When bash expands a parameter stored in a string that exceeds the memory allocation limit for string expansion, it crashes with a segmentation fault error.

Impact

Bash crashes with a segmentation fault error, and the command fails.

Conditions

Bash expands a parameter stored in a string that exceeds the memory allocation limit for string expansion.

Workaround

None.

Fix Information

With this update (bash-4.1.2-41.el6_8), the string expansion code has been updated, and bash now exits gracefully with an error message instead of crashing when a string is too long to expand.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips